... Valve 1.Truck engine valve for 4Cr/10Si2Mo/SNCrW 21-12N 2.Identification: ISO9002 / QS9000 3.Brand or OEM packing Valve role is responsible for ... VALVE IS SUH1(40Cr) ; EXHAUST VALVE IS SUH3(4Cr9Si2).Engine valves are suitable for TOYOTA,AUDI,BESFORD,BMW,CATERILLAR,CUMMINS,DAF,DAIHATSU,DAEWOO,FORD ... ON.We have all kinds of valve techniques, entire material valves, double ... .5x8x122 Engine Valve for BENZ